Hockey stick



FIG. 1 is a perspective view of a hockey stick in accordance with the present invention;

FIG. 2 is a side view of FIG. 1. The opposite side is a mirror image; and,

FIG. 3 is another side view thereof.

The broken lines(s) which define the bounds of the claimed design form no part thereof. 

The ornamental design for a hockey stick, substantially as shown and described. 